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Mesirow Financial Investment Management, Inc.

Position in CIEN — Ciena Corp

CIK 1469475 CHICAGO, IL

Position in CIEN

as of Jun 30, 2026 · filed Jul 22, 2026
Position Value
$1,545,754
+$51,069 QoQ
Shares Held
3,151
-18.2% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#549
of 1,218 holders
Holding Since
Dec 2024
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

Mesirow Financial Investment Management, Inc. holds $11,791,085 across 4 Communication Equipment names. CIEN ranks #3 (13.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CIEN
Ciena Corp
This page
3,151 $1,545,754

All Filings in CIEN

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5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,545,754 3,151
2026-03-31 $1,494,685 3,850
2025-12-31 $561,288 2,400
2025-09-30 $349,608 2,400
2024-12-31 $203,544 2,400